January 22, 2010, Newsletter Issue #203: Exercising before versus after a big meal

Tip of the Week

It is better to wait at least 2 hours after a big meal before you start strenuous exercise. However, it's OK and even good for you to walk leisurely instead of sitting idly or going to bed.



There are more than one reason for that. Firstly, it's mechanically challenging for your heart and lungs to work while having such a bulk of a stomach around. Secondly, your blood volume is not unlimited. A lot of blood will go to serve the digestion process leaving less of it to serve muscles, heart, and lungs.



Last but not least, if your meal has been a fatty one, your blood vessels can temporarily lose some of their elasticity thus making immediate exercise dangerous. Doctors know that the risks of stroke and heart attach are increased after rich meals.



Here's a tip to avoid this kind of trouble: exercise *before* meal. Studies showed that just 10 minutes of intensive exercise 30 minutes before fatty meal dramatically reduced the vessel-hardening effect of them.

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